Home / 6,428,840.74-9,643,261.11-3,052,812.58

Finding the Fourth Proportional to 6,428,840.74, 9,643,261.11 and 3,052,812.58

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Solution

The fourth proportional to 6,428,840.74, 9,643,261.11 and 3,052,812.58 is: 4,579,218.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,840.74 : 9,643,261.11 = 3,052,812.58 : x
  2. Step 2: Convert to fraction form
    6,428,840.74/9,643,261.11 = 3,052,812.58/x
  3. Step 3: Cross multiply
    6,428,840.74x = 9,643,261.11 × 3,052,812.58
  4. Step 4: Simplify right side
    6,428,840.74x = 29,439,068,828,832.76
  5. Step 5: Solve for x
    x = 29,439,068,828,832.76/6,428,840.74
  6. Step 6: Final answer
    x = 4,579,218.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.